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NS_E_BAD_ADAPTER_NAME
NS_E_BAD_ADAPTER_NAME — 0xC00D00CC
Treat this code as a record of invalid network adapter name: in the operation that returned it, the configured textual adapter name does not resolve to a current local interface object.
Place in the component lifecycle
Media delivery configuration combines a local adapter object, address, port, transport, route, multicast group, and TTL. In the context of invalid network adapter name, validate these dimensions separately so that a name-resolution error is not diagnosed as a firewall or bitrate problem. Locate the first component changing state in this condition and distinguish later summary errors.
Important boundary. A valid adapter name can still have a bad address or route; this result occurs earlier at name resolution. Record the exact constant and returning API.
Build a reliable incident timeline
| Incident fact | What it separates |
|---|---|
| Configured name, interface GUID/index, friendly name, and server version | Provides a stable before/after comparison for the proposed correction. |
| Current interface inventory and rename/reinstall history | Shows whether the status is expected information, a warning, or the first failure in the event sequence. |
| Cluster ownership or virtual-adapter lifecycle | Ties the message to one server object and one transition instead of a later retry. |
| Known-good binding using stable interface identity | Separates configuration or identity from storage, parser, network, or lifecycle state. |
Prefer identifiers, versions, counts, hashes, state transitions, and redacted paths; media content, credentials, keys, and user data are rarely needed in routine incident logs.
Tests that change one variable
- Enumerate interfaces through the same service context. Retain a known-good stream, session, or server object so a broad restart is not mistaken for repair of the reported failure.
- Replace display name with a stable supported identifier where possible. Record the first server event, object state, or return value that changes.
- Recreate only the binding after an adapter rename. Keep media bytes, server identity, and unrelated publishing-point settings fixed.
Retry only after one controlled server, object, route, storage, or input condition changed; an uncontrolled service restart creates a new execution context and is not proof that the original condition was transient.
Interpretation boundaries
- Known-good comparison succeeds: isolate the production object or configuration associated with the failing operation.
- Same failure on the control: investigate the shared server, plug-in, storage, topology, or network layer before changing media content.
- Different status after one change: preserve both results; the first rejected condition was removed, but the operation is not yet proved complete.
Repair and regression proof
Correction: Update stale configuration and avoid depending on mutable friendly names for automated bindings. Keep the original server configuration, event sequence, object inventory, input hash, and topology snapshot so the change can be reversed and explained.
Accept the repair only when the name resolves to the intended interface across restart and traffic uses the expected address/route. Repeat the original supported operation under the original identity and object state; a simplified media file, replacement server, new session, or different client is useful comparison evidence but not final regression proof.
Technical references
These sources describe the API, service architecture, and status values relevant to this diagnosis: Check version-specific behavior against the Windows Media Services and SDK generation that produced the event.
- Microsoft Open Specifications: HRESULT values — defines the formal status or component boundary.
- Microsoft: Windows Media Services 9 Series SDK — documents the relevant API or lifecycle.
- Microsoft: programming the Windows Media server object model — provides the architecture, format, or protocol context.
- Microsoft Open Specifications: media streaming server scenario — supports the controlled verification criteria.
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